981253260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1451}}^1$

素因数の和:1513

約数の個数: 216

約数和(自身を含む): 3407420016

約数和(自身を除く): 2426166756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 289, 306, 340, 390, 442, 468, 510, 578, 585, 612, 663, 765, 780, 867, 884, 1020, 1105, 1156, 1170, 1326, 1445, 1451, 1530, 1734, 1989, 2210, 2340, 2601, 2652, 2890, 2902, 3060, 3315, 3468, 3757, 3978, 4335, 4353, 4420, 5202, 5780, 5804, 6630, 7255, 7514, 7956, 8670, 8706, 9945, 10404, 11271, 13005, 13059, 13260, 14510, 15028, 17340, 17412, 18785, 18863, 19890, 21765, 22542, 24667, 26010, 26118, 29020, 33813, 37570, 37726, 39780, 43530, 45084, 49334, 52020, 52236, 56355, 56589, 65295, 67626, 74001, 75140, 75452, 87060, 94315, 98668, 112710, 113178, 123335, 130590, 135252, 148002, 169065, 169767, 188630, 222003, 225420, 226356, 246670, 261180, 282945, 296004, 320671, 338130, 339534, 370005, 377260, 419339, 444006, 493340, 565890, 641342, 676260, 679068, 740010, 838678, 848835, 888012, 962013, 1110015, 1131780, 1258017, 1282684, 1480020, 1603355, 1677356, 1697670, 1924026, 2096695, 2220030, 2516034, 2886039, 3206710, 3395340, 3774051, 3848052, 4193390, 4440060, 4810065, 5032068, 5451407, 5772078, 6290085, 6413420, 7548102, 8386780, 9620130, 10902814, 11544156, 12580170, 14430195, 15096204, 16354221, 18870255, 19240260, 21805628, 25160340, 27257035, 28860390, 32708442, 37740510, 49062663, 54514070, 57720780, 65416884, 75481020, 81771105, 98125326, 109028140, 163542210, 196250652, 245313315, 327084420, 490626630, 981253260]

約数ペア:

[(1, 981253260), (2, 490626630), (3, 327084420), (4, 245313315), (5, 196250652), (6, 163542210), (9, 109028140), (10, 98125326), (12, 81771105), (13, 75481020), (15, 65416884), (17, 57720780), (18, 54514070), (20, 49062663), (26, 37740510), (30, 32708442), (34, 28860390), (36, 27257035), (39, 25160340), (45, 21805628), (51, 19240260), (52, 18870255), (60, 16354221), (65, 15096204), (68, 14430195), (78, 12580170), (85, 11544156), (90, 10902814), (102, 9620130), (117, 8386780), (130, 7548102), (153, 6413420), (156, 6290085), (170, 5772078), (180, 5451407), (195, 5032068), (204, 4810065), (221, 4440060), (234, 4193390), (255, 3848052), (260, 3774051), (289, 3395340), (306, 3206710), (340, 2886039), (390, 2516034), (442, 2220030), (468, 2096695), (510, 1924026), (578, 1697670), (585, 1677356), (612, 1603355), (663, 1480020), (765, 1282684), (780, 1258017), (867, 1131780), (884, 1110015), (1020, 962013), (1105, 888012), (1156, 848835), (1170, 838678), (1326, 740010), (1445, 679068), (1451, 676260), (1530, 641342), (1734, 565890), (1989, 493340), (2210, 444006), (2340, 419339), (2601, 377260), (2652, 370005), (2890, 339534), (2902, 338130), (3060, 320671), (3315, 296004), (3468, 282945), (3757, 261180), (3978, 246670), (4335, 226356), (4353, 225420), (4420, 222003), (5202, 188630), (5780, 169767), (5804, 169065), (6630, 148002), (7255, 135252), (7514, 130590), (7956, 123335), (8670, 113178), (8706, 112710), (9945, 98668), (10404, 94315), (11271, 87060), (13005, 75452), (13059, 75140), (13260, 74001), (14510, 67626), (15028, 65295), (17340, 56589), (17412, 56355), (18785, 52236), (18863, 52020), (19890, 49334), (21765, 45084), (22542, 43530), (24667, 39780), (26010, 37726), (26118, 37570), (29020, 33813)]